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discontinuous-range

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discontinuous-range

for adding, subtracting, and indexing discontinuous ranges of numbers

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What is discontinuous-range?

The 'discontinuous-range' npm package allows you to create and manipulate ranges of numbers that can have gaps. This is useful for scenarios where you need to handle ranges that are not continuous, such as time slots, IP ranges, or any other numerical ranges with exclusions.

What are discontinuous-range's main functionalities?

Create a Range

This feature allows you to create a continuous range of numbers. In this example, a range from 1 to 10 is created.

const Range = require('discontinuous-range');
const range = new Range(1, 10);
console.log(range.toString()); // '1-10'

Add a Sub-Range

This feature allows you to add a sub-range to an existing range. In this example, a sub-range from 20 to 30 is added to the initial range of 1 to 10.

const Range = require('discontinuous-range');
const range = new Range(1, 10);
range.add(20, 30);
console.log(range.toString()); // '1-10,20-30'

Remove a Sub-Range

This feature allows you to remove a sub-range from an existing range. In this example, the sub-range from 5 to 7 is removed from the range '1-10,20-30'.

const Range = require('discontinuous-range');
const range = new Range(1, 10);
range.add(20, 30);
range.remove(5, 7);
console.log(range.toString()); // '1-4,8-10,20-30'

Check if a Number is in Range

This feature allows you to check if a specific number is within the defined range. In this example, 5 is within the range '1-10,20-30' but 15 is not.

const Range = require('discontinuous-range');
const range = new Range(1, 10);
range.add(20, 30);
console.log(range.contains(5)); // true
console.log(range.contains(15)); // false

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Package last updated on 16 Sep 2014

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